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Author SHA1 Message Date
Chris Lattner
14c284600c new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26473 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 23:56:23 +00:00
Chris Lattner
89188a1096 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26472 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 22:34:38 +00:00
Evan Cheng
d180ac1109 Add a regression test for bug 478. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26471 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 21:48:34 +00:00
Evan Cheng
86ec7d1d07 - Fixed some priority calculation bugs that were causing bug 478. Among them: 
a predecessor appearing more than once in the operand list was counted as
  multiple predecessor; priority1 should be updated during scheduling;
  CycleBound was updated after the node is inserted into priority queue; one
  of the tie breaking condition was flipped.
- Take into consideration of two address opcodes. If a predecessor is a def&use
  operand, it should have a higher priority.
- Scheduler should also favor floaters, i.e. nodes that do not have real
  predecessors such as MOV32ri.
- The scheduling fixes / tweaks fixed bug 478:
        .text
        .align  4
        .globl  _f
_f:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        imull %ecx, %edx
        imull %eax, %eax
        imull %ecx, %ecx
        addl %eax, %ecx
        leal (%ecx,%edx,2), %eax
        ret

  It is also a slight performance win (1% - 3%) for most tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26470 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 21:38:29 +00:00
Chris Lattner
db3f873bd8 Generalize the REM folding code to handle another case Nick Lewycky 
pointed out: realize the AND can provide factors and look through Casts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26469 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 06:50:58 +00:00
Chris Lattner
f4eec627d2 add a couple more cases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26468 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 06:50:04 +00:00
Chris Lattner
a1b2a9b7e2 Fix a compilation error with GCC 4.1. Thanks to Vladimir Merzliakov for 
pointing this out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26467 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 00:21:41 +00:00
Jim Laskey
6a3eb01084 Support for enumerations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26466 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 23:52:37 +00:00
Chris Lattner
5df5940693 testcase that crashed the new CFE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26465 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:45:12 +00:00
Evan Cheng
246ae0dcf7 Don't print llvm constant in assmebly file. Assembler won't like comments that 
span multiple lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:18:09 +00:00
Evan Cheng
a4ffcc23a2 Back out my last check-in. Wrong place to fix it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26462 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:17:00 +00:00
Evan Cheng
7cfdd01869 AsmWriter should not print LLVM constant in comment. Assembler won't like 
multi-line comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26461 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 22:00:59 +00:00
Chris Lattner
1ec05d1bb4 Fix CodeGen/Generic/2006-03-01-dagcombineinfloop.ll, an infinite loop 
in the dag combiner on 176.gcc on x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26459 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 21:47:21 +00:00
Chris Lattner
358d5afcbd new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26458 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 21:46:53 +00:00
Jim Laskey
40486cc6a0 Remove extra comma from enum list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26457 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 20:49:44 +00:00
Jim Laskey
abd19e8b5b Remove comma from enum list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26456 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 20:48:20 +00:00
Jim Laskey
9c4447aa2b Switch back to using actual dwarf tags. Simplifies code without loss to other 
debug forms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26455 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 20:39:36 +00:00
Chris Lattner
b2742f4a26 Fix a typo evan noticed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26454 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 19:55:35 +00:00
Jim Laskey
92ae740396 Use context and not compile unit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26453 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 18:20:30 +00:00
Jim Laskey
288fe0f74d I guess I can handle large type sizes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26452 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 18:13:05 +00:00
Jim Laskey
f8913f19ae Basic array support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26451 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 17:53:02 +00:00
Chris Lattner
0f6ab6ff97 Implement CodeGen/PowerPC/or-addressing-mode.ll, which is also PR668. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26450 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 07:14:48 +00:00
Chris Lattner
2471403423 load (x|y) -> load (x+y) iff x and y have no common bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26449 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 07:13:56 +00:00
Chris Lattner
00d18f0879 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26448 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 06:36:20 +00:00
Chris Lattner
5126984b1d Compile this: 
void foo(float a, int *b) { *b = a; }

to this:

_foo:
        fctiwz f0, f1
        stfiwx f0, 0, r4
        blr

instead of this:

_foo:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lwz r2, -4(r1)
        stw r2, 0(r4)
        blr

This implements CodeGen/PowerPC/stfiwx.ll, and also incidentally does the
right thing for GCC bugzilla 26505.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26447 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 05:50:56 +00:00
Chris Lattner
c607fa8665 new testcase. These functions shouldn't touch the stack if stfiwx use 
is enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26446 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 05:49:05 +00:00
Chris Lattner
8c13d0a573 Use a target-specific dag-combine to implement CodeGen/PowerPC/fp-int-fp.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26445 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:57:39 +00:00
Chris Lattner
257bedbeaf new testcase. There should be no accesses to the stack for these functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26444 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:56:33 +00:00
Chris Lattner
2466472a2b Add support for target-specific dag combines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26443 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:53:38 +00:00
Chris Lattner
00ffed0468 Add interfaces for targets to provide target-specific dag combiner optimizations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26442 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:52:55 +00:00
Chris Lattner
5750df9d69 Add a new AddToWorkList method, start using it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26441 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 04:03:14 +00:00
Chris Lattner
0b1a85f110 Pull shifts by a constant through multiplies (a form of reassociation), 
implementing Regression/CodeGen/X86/mul-shift-reassoc.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26440 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 03:44:24 +00:00
Chris Lattner
cf6a9fbd9b new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26439 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 03:43:38 +00:00
Evan Cheng
d30bf01e90 Vector op lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26438 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:11:20 +00:00
Evan Cheng
9073dea7c0 New vector type v2f32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:10:52 +00:00
Evan Cheng
860771d2d8 Vector ops lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26436 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:09:54 +00:00
Evan Cheng
f338dd881f New type v2f32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26435 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:06:22 +00:00
Evan Cheng
bf57e1f456 Missing a cast previously. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26434 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:58:54 +00:00
Evan Cheng
70695ab626 - Added v2f32, not used by any target currently. Only for testing purpose. 
- Minor bug fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26433 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:55:26 +00:00
Evan Cheng
1ab7d859cf - Added VConstant as an abstract version of ConstantVec. 
- All abstrct vector nodes must have # of elements and element type as their
first two operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:51:13 +00:00
Evan Cheng
ce531a4eff Add a test case for left shift by 1. We should not be using lea for this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26431 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 23:57:45 +00:00
Evan Cheng
aafc1412b1 Another entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26430 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 23:38:49 +00:00
Evan Cheng
8c03fe4aca Don't match x << 1 to LEAL. It's better to emit x + x. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26429 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 21:13:57 +00:00
Jim Laskey
45ccae5b7d Add const, volatile, restrict support. 
Add array of debug descriptor support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26428 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 20:15:07 +00:00
Chris Lattner
06e1e25368 Fix a regression in a patch from a couple of days ago. This fixes 
Transforms/InstCombine/2006-02-28-Crash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26427 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 19:47:20 +00:00
Chris Lattner
f949c1ad6c new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26426 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 19:46:56 +00:00
Chris Lattner
8f434ffa24 8 spaces -> tab. Reported by Wink Saville 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26425 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 19:12:58 +00:00
Chris Lattner
7adf72a5e4 evan's recent x86 isel improvements have fixed this, though not in the way 
originally envisioned :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26422 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 16:39:56 +00:00
Chris Lattner
bf751e2d6f Add a subtarget feature for the stfiwx instruction. I know the G5 has it, 
but I don't know what other PPC impls do.  If someone could update the proc
table, I would appreciate it :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26421 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 07:08:22 +00:00
Chris Lattner
c7d855ea2e new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26420 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 06:54:19 +00:00